Artículo
Elastic scattering, inelastic excitation, and neutron transfer for Li 7 + Sn 120 at energies around the Coulomb barrier
Autor/es | Zagatto, Vinicius A. B.
Lubian, J. Gasques, L. R. González Álvarez, Marcos Aurelio Chamon, L. C. Oliveira Jr, R. B. Alcántara Núñez, J. A. Medina, N. H. Scarduelli, V. Freitas, Augusto S. Padrón, I. Rossi, E. S. Shorto, J. M. B. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2017 |
Fecha de depósito | 2017-10-25 |
Publicado en |
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Resumen | Experimental angular distributions for the
7
Li
+
120
Sn elastic and inelastic (projectile and target excitations)
scattering, and for the neutron stripping reaction, have been obtained at
E
LAB
=
20, 22, 24, and ... Experimental angular distributions for the 7 Li + 120 Sn elastic and inelastic (projectile and target excitations) scattering, and for the neutron stripping reaction, have been obtained at E LAB = 20, 22, 24, and 26 MeV, covering an energy range around the Coulomb barrier ( V (LAB) B ≈ 21 . 4 MeV). Coupled channel and coupled reaction channel calculations were performed and both describe satisfactorily the experimental data sets. The 1 2 − state 7 Li inelastic excitation (using a rotational model), as well as the projectile coupling to the continuum ( α plus a tritium particle) play a fundamental role on the proper description of elastic, inelastic, and transfer channels. Couplings to the one-neutron stripping channel do not significantly affect the theoretical elastic scattering angular distributions. The spectroscopic amplitudes of the transfer channel were obtained through a shell model calculation. The theoretical angular distributions for the one-neutron stripping reaction agreed with the experimental data. |
Cita | Zagatto, V.A.B., Lubian, J., Gasques, L.R., González Álvarez, M.A., Chamon, L.C., Oliveira Jr, R.B.,...,Shorto, J.M.B. (2017). Elastic scattering, inelastic excitation, and neutron transfer for Li 7 + Sn 120 at energies around the Coulomb barrier. Physical Review C, 95 (6), 064614-1-064614-8. |
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